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How to check whether a file is empty or not?
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If you are using Python3 with pathlib you can access os.stat() information using the Path.stat() method, which has the attribute st_size(file size in bytes):
>>> from pathlib import Path
>>> mypath = Path("path/to/my/file"...
Get the key corresponding to the minimum value within a dictionary
If I have a Python dictionary, how do I get the key to the entry which contains the minimum value?
16 Answers
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How can I kill a process by name instead of PID?
... I had to add the -f flag too for killing a background process running a Python script.
– Mason
Aug 8 '18 at 14:03
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How to extract the substring between two markers?
...urn an empty string if either "AAA" or "ZZZ" don't exist in your_text.
PS Python Challenge?
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Separation of business logic and data access in django
... I like this approach too, coming also fro java. I'm new to python, How would you test views.py? How would you mock service layer (if, for example, service makes some remote api calls) ?
– Teimuraz
Aug 12 '16 at 19:37
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Add single element to array in numpy
...2 s ± 16.1 ms per loop (mean ± std. dev. of 7 runs, 1 loop each)
Using python list converting to array afterward:
d = [0]
for k in range(int(10e4)):
d.append(k)
f = np.array(d)
13.5 ms ± 277 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)
Pre-allocating numpy array:
e = np.ze...
A free tool to check C/C++ source code against a set of coding standards? [closed]
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Try nsiqcppstyle. It's a Python based coding style checker for C/C++. It's easy to extend to add your own rules.
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Can Flask have optional URL parameters?
...able with the defaults in the function head - the way you are used to with python:
@app.route('/<user_id>')
@app.route('/<user_id>/<username>')
def show(user_id, username='Anonymous'):
return user_id + ':' + username
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How do you uninstall MySQL from Mac OS X?
... mysql directory or file and removed most of what came up (aside from Perl/Python access modules). You may also need to check that the daemon is not still running using Activity Monitor (or at the command line using ps -A). I found that mysqld was still running even after deleting the files.
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What does the plus sign do in '+new Date'
...h in programming brevity is most certainly not the wit of the soul. As the python community has so adequately put it "explicit is always better than implicit." What if a browser changed the automatic type conversion that's implied there through a regression? Now your code just doesn't work! .getTime...